Portable baseball mound



FIG. 1 is a top perspective view of a portable baseball mound showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof; the side opposite being a mirror image;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof. 

The ornamental design for a portable baseball mound, as shown and described. 